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| 型号： | MIC845LYC5 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 6/7页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR W/REFERENCE SC70-5 |
| 标准包装： | 1 |
| 系列： | Teeny™ |
| 类型： | 带电压基准 |
| 元件数： | 1 |
| 输出类型： | 推挽式 |
| 电压 - 电源，单路/双路(±)： | 2.75 V ~ 5.5 V |
| 电流 - 静态（最大值）： | 3µA |
| 磁滞： | 40mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 6-TSSOP（5 引线），SC-88A，SOT-353 |
| 安装类型： | 表面贴装 |
| 包装： | 标准包装 |
| 产品目录页面： | 1081 (CN2011-ZH PDF) |
| 其它名称： | 576-2930-6 |
Micrel, Inc.
MIC845
July 2005
6
M9999-070505
(408) 955-1690
Application Information
Output
The MIC845N output is an open-drain MOSFET, so
most applications will require a pull-up resistor. It is
recommended that the value of this resistor not
exceed 470k, otherwise PCB leakages may begin
to dominate and give a false output indication.
The output of “N” type devices may be pulled up as
high as 6V regardless of the IC’s supply voltage,
without damage to the IC.
The “H” and “L” versions of MIC845 have push-pull
output stages, no pull-up resistors are required. The
maximum output voltage of the “H” and “L” versions
is VDD.
Input
MIC845 has been designed to present an almost
infinite input resistance at its INP pin making it ideal
for monitoring lithium coin cell and back-up batteries.
In applications where the ‘battery low’ voltage is
2.55V, MIC845’s INP pin may be tied directly to the
cell’s positive terminal without any additional
circuitry.
MIC845’s input may be subjected to voltages as high
as 6V, steady-state, without any adverse effects,
regardless of the IC’s supply voltage. This applies
even if the supply voltage is zero. This permits a
situation wherein the IC’s supply is turned off, but an
input voltage is still present. Under such conditions,
there will be no conduction from INP to VDD or any
circuitry internal to MIC845.
Input Transients
MIC845 is inherently immune to very short
negative-going “glitches.” Very brief transients may
exceed the VINP threshold without tripping the output.
As shown in the figure below, the narrower the
transient, the deeper the threshold overdrive that will
be ignored by the MIC845. The graph represents the
typical allowable transient duration for a given
amount of threshold overdrive that will not generate
an output.
0
2
4
6
8
10
12
14
16
0
200
400
600
800 1000
COMPARATOR OVERDRIVE
Input Transient
Response
VREF - VINP (mV)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC845NBC5 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Micro-Power Comparator/ Battery Monitor |
| MIC845NYC5 | 功能描述:IC COMPARATOR W/REFERENCE SC70-5 RoHS:是 类别:集成电路 (IC) >> 线性 - 比较器 系列:Teeny™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:通用 元件数:1 输出类型:CMOS，推挽式，满摆幅，TTL 电压 - 电源，单路/双路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 电压 - 输入偏移（最小值）:5mV @ 5.5V 电流 - 输入偏压（最小值）:1pA @ 5.5V 电流 - 输出（标准）:- 电流 - 静态（最大值）:24µA CMRR, PSRR（标准）:80dB CMRR，80dB PSRR 传输延迟（最大）:450ns 磁滞:±3mV 工作温度:-40°C ~ 85°C 封装/外壳:6-WFBGA，CSPBGA 安装类型:表面贴装 包装:管件 其它名称:Q3554586 |
| MIC845NYC5 TR | 功能描述:校验器 IC 1.5 A Undervoltage Comparator with 2.0% 2.55V Reference, 20mV Hysteresis, Push-Pull Output in SC70-5 (Lead Free) RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MIC845NYC5-TR | 功能描述:Comparator with Voltage Reference Open Drain SC-70-5 制造商:microchip technology 系列:Teeny?? 包装:剪切带（CT） 零件状态:Last Time Buy 类型:带电压基准 元件数:1 输出类型:开路漏极 电压 - 电源，单/双（±）:2.75 V ~ 5.5 V 电压 - 输入失调（最大值）:- 电流 - 输入偏置（最大值）:- 电流 - 输出（典型值）:- 电流 - 静态（最大值）:3μA CMRR，PSRR（典型值）:- 传播延迟（最大值）:- 滞后:40mV 工作温度:-40°C ~ 85°C 封装/外壳:5-TSSOP，SC-70-5，SOT-353 安装类型:表面贴装 供应商器件封装:SC-70-5 标准包装:1 |
| MIC860 | 制造商:AMERICAN DJ 功能描述:LASER PROJECTOR RED AND BLUE LASER HEAD |
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